Home / 948,272.64-1,309,694.06-637,634.81

Finding the Fourth Proportional to 948,272.64, 1,309,694.06 and 637,634.81

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Solution

The fourth proportional to 948,272.64, 1,309,694.06 and 637,634.81 is: 880,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,272.64 : 1,309,694.06 = 637,634.81 : x
  2. Step 2: Convert to fraction form
    948,272.64/1,309,694.06 = 637,634.81/x
  3. Step 3: Cross multiply
    948,272.64x = 1,309,694.06 × 637,634.81
  4. Step 4: Simplify right side
    948,272.64x = 835,106,513,369.58
  5. Step 5: Solve for x
    x = 835,106,513,369.58/948,272.64
  6. Step 6: Final answer
    x = 880,660.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.